---
product_id: 610725815
title: "12V 9Ah Lithium Battery, Deep Cycles Rechargeable LiFePO4 Battery 4000+ Cycles 15A BMS Replacement for Alarm System, Fish Finder, Lighting, Power Wheels, UPS, Ride on Toys, F1 & F2 Terminal"
brand: "hwe energy"
price: "R$645"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/610725815-12v-9ah-lithium-battery-deep-cycles-rechargeable-lifepo4-battery-4000
store_origin: BR
region: Brazil
---

# 15A smart BMS protection 4000+ deep cycles Only 2.1 lbs lightweight 12V 9Ah Lithium Battery, Deep Cycles Rechargeable LiFePO4 Battery 4000+ Cycles 15A BMS Replacement for Alarm System, Fish Finder, Lighting, Power Wheels, UPS, Ride on Toys, F1 & F2 Terminal

**Brand:** hwe energy
**Price:** R$645
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your life smarter, lighter, and longer—don’t get left in the dark!

## Quick Answers

- **What is this?** 12V 9Ah Lithium Battery, Deep Cycles Rechargeable LiFePO4 Battery 4000+ Cycles 15A BMS Replacement for Alarm System, Fish Finder, Lighting, Power Wheels, UPS, Ride on Toys, F1 & F2 Terminal by hwe energy
- **How much does it cost?** R$645 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/610725815-12v-9ah-lithium-battery-deep-cycles-rechargeable-lifepo4-battery-4000)

## Best For

- hwe energy enthusiasts

## Why This Product

- Trusted hwe energy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Low Self-Discharge:** Holds charge up to 1 year with only 2% monthly loss—ready when you are, no constant recharging needed.
- • **Smart & Safe Power:** Built-in 15A BMS shields against overcharge, short circuit, and overheating—peace of mind guaranteed.
- • **Featherlight Design:** At just 2.1 lbs, this battery is ultra-portable without compromising performance.
- • **Unmatched Longevity:** 4000+ deep cycles for a decade of reliable power—outlasts traditional lead-acid by 8x.
- • **Versatile Compatibility:** Includes F2 to F1 terminal adapter—perfect fit for alarms, UPS, ride-on toys, and more.

## Overview

The HWE Energy 12V 9Ah LiFePO4 battery delivers industry-leading 4000+ deep charge cycles and a lightweight 2.1 lb design. Featuring a high-rate 15A smart Battery Management System, it ensures maximum safety and longevity. Compatible with F1 and F2 terminals, it’s ideal for alarm systems, UPS, ride-on toys, and more—offering a decade of maintenance-free, reliable power with minimal self-discharge.

## Description

12V 9Ah Lithium Battery, Deep Cycles Rechargeable LiFePO4 Battery 4000+ Cycles 15A BMS Replacement for Alarm System, Fish Finder, Lighting, Power Wheels, UPS, Ride on Toys, F1 & F2 Terminal

## Features

- Note: labels may vary. User may receive battery in regular-label or new lightning-label, Both contain identical HWE Energy 12V 9Ah Batteries with unchanged quality.
- 【Welcome to Lithium Iron Phosphate】traditional sealed lead acid batteries (3 year lifetime, 300-500 cycles and 5lbs), HWE Energy 12v 9ah lifepo4 battery provides 10-year lifetime, 4000+ deep cycles and only 2.1lbs. Although lifepo4 battery is a little more expensive than lead acid battery, the lifepo4 batteries have longer lifespan and cycle times, the average cost of use is lower. Therefore, 12v 9ah battery helps you save more time and money. Not for engine starting
- 【High Safety】 As opposed to competitors who source boards and parts from various, unreliable suppliers, our 12v 9ah battery utilizes top grade LiFePO4 cells with higher energy density, which has ultra quality. Not only that, our 12v 9ah has highest level of safety with UL test certificate and CE certificate and pass UN 38.3, MSDS Test, which is High Safe, Maintenance-Free. Please use them at ease
- 【Widely Uses】 HWE Energy 12v 9ah replacement battery widely uses in most areas such as: Small UPS, power wheels, home alarm, fire security systems, deer feeder, gate opener power, garage opener door, kids ride on toys, fish finder, emergency lighting (LED strip etc), power blackout, ham radio, speaker, backup power, kayak, RV/outdoor camping, cellular remote camera, household power supplies, djw12-9.0, djw12-7.0 battery etc
- 【Superior Performance】HWE 12 volt 9ah battery has built-in smart BMS (Battery Management System, High Rate 15A) protects it from overcharge, deep discharge, overloading, overheating, short circuit, and excessive low self-discharge rate ensuring up, low temp cut off. Our 12 volt 9Ah lithium battery has low self-discharge (2% charge per month), so fully charged LifePO4 battery can potentially hold a charge up to 1 year, less worry when stored
- 【 Charging tips】Please use a dedicated lithium battery charger to achieve full capacity. Recommend Charging Voltage: Between 14.2V to 14.6V, Charging current ≤4.5A. note: if the battery voltage drops to 0 volts, by briefly connecting a 0V battery in parallel with a fully charged battery, its charge can be restored
- 【Buy With Confidence】 We offer a 12 months warranty for the our 9ah lithium battery. HWE battery 12v 9ah also provides F2 to F1 terminal adapter so that it is compatible with F1 terminal. You can buy our battery whatever your battery is F1 or F2 terminal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HWE Energy |
| Brand | HWE Energy |
| Model | 12V 9Ah LiFePO4 Battery |
| Item Weight | 2.22 pounds |
| Product Dimensions | 5.94 x 2.56 x 3.7 inches |
| Country of Origin | China |
| Item model number | HWE1290 |
| Batteries | 1 12V batteries required. (included) |
| Manufacturer Part Number | HWE1289220 |
| Amperage | 15 Amps |

## Product Details

- **Brand:** HWE Energy
- **Vehicle Service Type:** Energy storage, Fish finder, Home alarm security, Lawn Mower, Lighting, Small UPS, djw12-7.0, djw12-9.0, solar
- **Size:** 12V 9Ah
- **Voltage:** 12.8 Volts
- **Battery Cell Composition:** Lithium-Phosphate
- **Item Weight:** 2.1 Pounds
- **Product Dimensions:** 5.94"D x 2.56"W x 3.7"H
- **Terminal:** F2 Terminal
- **Battery Capacity:** 9 Amp Hours
- **Automotive Fit Type:** Universal Fit

## Images

![12V 9Ah Lithium Battery, Deep Cycles Rechargeable LiFePO4 Battery 4000+ Cycles 15A BMS Replacement for Alarm System, Fish Finder, Lighting, Power Wheels, UPS, Ride on Toys, F1 & F2 Terminal - Image 1](https://m.media-amazon.com/images/I/71-hUPiLgzL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- HWE Energy 12V 9Ah Lithium Battery, Deep Cycles Rechargeable LiFePO4 Battery with 4000+ Cycles and Smart 15A BMS for Small UPS, Alarm System, Fish Finder, Lighting, Power Wheels and Ride-on Toy etc
- ULTRAPOWER 4-Amp 14.6 Volt LiFePO4 Battery Charger,12.8 Volt LiPO Lithium Battery Charger,Smart Charger Maintainer for Cars,Motocycles,Golf Carts,UAV,Fishing Boat and Deep Cycle Batteries.
- 14.6V 10A LiFePO4 Battery Charger Special for 12V LiFePO4 Battery, Trickle Charger for Lithium Iron Phosphate Battery, Battery Maintainer, Built-in Safety Protections, Support Fast Charging

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-26*